Hi, Thanks for using HCM.
If you din't had periods since november and your pregnancy
test negative. Then there may be hormonal
imbalance or some problem in genital tract.. Get done your USG abdomen and pelvis once with complete hemogram and thyroid
profile. later we can decide for other investigation and diagnosis. Consult your gynaecologist for further examination and management.
Hope I answered your question. Feel free to ask me if you have any further queries.
Wish you good health. Take care.